How do I get all sheet names in an Excel file using Polars?
We know how to read Excel file using Polars:
How to get list of columns of dataframe including empty cells using polars
I have polar dataframe
Reshape issue on a pandas dataframe which was converted from polars
Update:
How to create a new column within a polars DataFrame that is equal to a list?
I am currently trying to create a new column within a polars dataframe (df). Within my df, there are many many rows, and within this new column I only want my existing list to populate wherever certain conditions are met.
Pandas vs. Polars: mean() function
There’s code which counts mean value of a column
pd.DataFrame({'id': ['A', 'A', 'B', 'B', 'B', 'B'], 'a': [1, 2, 3, 4, float('inf'), float('inf')]}).groupby('id').mean() for Pandas. The result is: